code: def run(self):
      return self._pipeline.run()
  
file_path: pandas-ai/pandasai/pipelines/synthetic_dataframe/generate_sdf_pipeline.py
imports: from logging import Logger
  from typing import Optional
  from pandasai.pipelines.logic_units.output_logic_unit import ProcessOutput
  from pandasai.pipelines.synthetic_dataframe.synthetic_df_prompt import SyntheticDataframePrompt
  from pandasai.pipelines.synthetic_dataframe.sdf_code_executor import SDFCodeExecutor
  from pandasai.pipelines.logic_units.prompt_execution import PromptExecution
  from pandasai.pipelines.pipeline import Pipeline
  from pandasai.pipelines.pipeline_context import PipelineContext
label_desc: Use image node_id 2 for calling the GenerateSDFPipeline obj's underlying member method code with example usage: obj.run() and returns: self